CVE-2018-11439

Exp

The TagLib::Ogg::FLAC::File::scan function in oggflacfile.cpp in TagLib 1.11.1 allows remote attackers to cause information disclosure (heap-based buffer over-read) via a crafted audio file.

Published: 2018-05-30 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-11439 is rated High Exploit Risk (72.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.85%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.11% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2018-11439

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-11439

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.74% 2.85% +2.11%
2 2026-01-14 0.65% 0.74% +0.09%
3 2025-10-13 — 0.65% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-11439

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2018-11439

OS Trackers for CVE-2018-11439

vendor priority summary link
alpine medium CVE-2018-11439: 1 source package rows (taglib); 9 state rows across 9 repos (3.10-main, 3.11-main, 3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 9, open 0. https://security.alpinelinux.org/vuln/CVE-2018-11439
debian not yet assigned CVE-2018-11439 not yet assigned priority: Debian including 1 source packages (taglib), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-11439
redhat low — https://access.redhat.com/security/cve/CVE-2018-11439
suse low CVE-2018-11439 severity low: SUSE including 43 source package names (libtag-devel, libtag-devel-1.11.1-4.3.62, …), 92 product×package rows across 40 product lines (SUSE Liberty Linux 7, SUSE Liberty Linux 7 LTSS, … (40 product lines)): Fixed 80, Known Not Affected 12. https://www.suse.com/security/cve/CVE-2018-11439/
ubuntu low CVE-2018-11439 low priority: Ubuntu including 1 source packages (taglib), 20 status rows across 20 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 14, ignored 2, needed 2, DNE 1, released 1. https://ubuntu.com/security/CVE-2018-11439

Affected software / configurations for CVE-2018-11439

Vendor Product Version Raw CPE
taglib taglib 1.11.1 cpe:2.3:a:taglib:taglib:1.11.1:*:*:*:*:*:*:*
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

References for CVE-2018-11439

URL Tags
http://seclists.org/fulldisclosure/2018/May/49 Exploit Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00022.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00020.html Mailing List Third Party Advisory
cvelogic Threat Intelligence